Check Platform
Match SBC, BBC, SBF, BBF, Ford FE, LS, or your exact application before buying.
Product Details
Haytalras For LS Cathedral Port Cylinder Head To Rectangle Port Intake Manifold Adapter
Fitment note: Please check compatibility carefully before placing an order.
Description:
- Can ONLY be used with Cathedral Port Cylinder Heads.
- Intake manifold adapter are made of High Quality Aluminum Alloy and Factory is 100% Inspected to meet or exceed the standards of original OE parts to ensure Product Reliability and Durability.
- Notes:Will not fit raised port LS7 intakes.
- Notes:Please Check the Compatibility Carefully before Placing an Order.
Specifications
Specification:
Replacement part number: 551316
Type: Rectangular Port Intake Manifold Adapter
Material: 6061 billet aluminum
Condition:100% Brand New
Surface: Anodized
Package included:2PCS intake manifold Adapter Boards (1/2 in Tall)
8PCS O-Rings
10PCS Bolts
(As picture shown)
Vehicle Information:
- Compatible with ANY Cathedral Port Heads and will adapt to ANY rectangle port intakes, supercharger or blower.(Will not fit raised port LS7 intakes)
- Compatible with LS3 LSA ZL1 CTS-V Rectangle Port Intake Manifold Adapte.
Not sure this fits?Send your engine platform, vehicle year, and current setup to haytalras@gmail.com before ordering. We will help you confirm fitment before the part ships.
Fitment & Compatibility
Fitment & Compatibility
Use the product title, SKU, engine platform, and application notes as the primary fitment reference. If your vehicle has non-stock heads, intake setup, accessory drive, hood clearance, oil pan clearance, or swap mounts, contact Haytalras before ordering.
Shipping
Shipping
Free standard shipping is available for orders shipping within the United States, excluding Alaska and Hawaii. Processing and delivery times may vary by SKU, destination, carrier, and order review status. Tracking is provided after fulfillment.
Returns & Warranty
Returns & Warranty
Uninstalled, unused items may be eligible for return within 30 days after delivery. Keep the original packaging and contact Haytalras before sending anything back. Installed, modified, damaged, or fuel-contaminated parts may not be returnable.
Before Installation
Before Installation
Test-fit before final installation. Professional installation is recommended for performance parts. Check gasket surfaces, fastener torque, fuel and vacuum connections, sensor fitment, and hood or chassis clearance before starting the vehicle.
BUILT FOR REAL V8 PROJECTS
Performance parts buyers need fitment confidence, not guesswork.
Haytalras focuses on intake manifolds, oil pans, throttle bodies, and LS swap support hardware for street builds, classic muscle, and weekend track projects. Start with your engine platform, confirm the application notes, then reach out before purchase if the setup is modified.
Confirm Clearance
Review hood, chassis, accessory, and oil pan clearance on swaps or non-stock builds.
Order With Support
Email haytalras@gmail.com with your build details if fitment is unclear.